Spoiler for an automobile



FIG. 1 is a front perspective view of a spoiler for an automobile showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a left side elevational view thereof, the right side view being a mirror image of FIG. 6. 

The ornamental design for a spoiler for an automobile, as shown and described. 